Littelfuse 1-Element Bi-Directional TVS Diode, Single Diode, Surface Mount, 2-Pin DO-214 Package, 400W P4SMA400CA

The Littelfuse P4SMA400CA is a high-performance 1-element bi-directional Transient Voltage Suppressor (TVS) diode engineered for protecting sensitive electronic circuits against transient voltage spikes and electrostatic discharge events. It is housed in a compact DO-214 surface mount package featuring two pins, facilitating straightforward assembly onto printed circuit boards (PCBs).

This single diode configuration ensures bi-directional protection, capable of absorbing and safely dissipating transient energy up to 400 watts peak pulse power, making it suitable for a variety of power and signal line protection applications.

With a minimum breakdown voltage of 380 V, a maximum reverse standoff voltage of 342 V, and a clamping voltage of 548 V, the device efficiently clamps voltage surges to safe levels. Its low leakage current of 1 microampere contributes to energy efficiency in critical systems.

Designed to operate reliably within a temperature range of -65°C to 150°C, the P4SMA400CA is ideal for demanding industrial, automotive, and consumer electronics environments requiring robust surge suppression and transient voltage protection.

The diode’s peak pulse current rating is 0.8 A, providing enhanced defense against electrostatic discharge and other transient conditions. The single element design ensures high reliability and long service life in harsh operating conditions.

Single diode configuration ideal for surface mounting on PCBs. Capable of dissipating peak pulse power of up to 400 watts. Bi-directional design protects circuits against voltage spikes in both directions. Compact DO-214 package with 2 pins ensures easy integration into electronic assemblies.

Wide operating temperature range from -65°C to 150°C for reliable performance. Minimum breakdown voltage of 380 volts and maximum reverse standoff voltage of 342 volts. Clamping voltage at 548 volts for efficient overvoltage protection.

Low maximum reverse leakage current of 1 microampere ensures minimal power loss. Offers robust ESD protection with a peak pulse current rating of 0.8 amps.

This Littelfuse TVS Diode is ideally suited for protecting power supply lines, communication systems, automotive electronics, industrial control, and consumer device circuits from transient voltage conditions. Its proven reliability supports critical system uptime and component longevity.

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